Malicious PDF — malware analysis report

Static analysis result for SHA-256 88ad413ae63185e6…

MALICIOUS

PDF

37.8 KB Authoring application: Inkscape
MD5: 2926e008fea29cee21e32ed9a150d67d SHA-1: 02e072073f06612c5438323bbbe17f69f2f7f144 SHA-256: 88ad413ae63185e657f249b50b797d3bafd1cb4714bbefe2b2a2ce9549c06718
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various PDF files on different domains. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded URLs are likely used to redirect users to malicious content, such as phishing pages or malware downloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

Heuristics 3

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://yogalabbet.se/uploads/1/3/0/6/130620931/nukemafotonejo.pdf
    • http://wobobapo.domgleden-nn.icu/uploads/2020/01/28/023e51.pdf
    • http://shamrockcustomhouses.com/uploads/1/3/0/5/130588415/bumipeker_razaral_luxidopijowi.pdf
    • http://pameladirnberger.com/uploads/1/3/0/4/130476853/130476853.html#accords+guitare+gaucher+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001077.bin
6f19cbaa1158ac22eb14c9d67be96b993b34adece115fa2a1e0efbdbc99ee02d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1077 9880 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.